Key making machine



FIG. 1 is a front perspective view of a key making machine showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is bottom plan view thereof.

The broken lines in the figures depict portions of the key making machine which form no part of the claimed design. 

CLAIM The ornamental design for a key making machine, as shown and described. 